state gov Kolkata Police Constable Mock Test 2024 Quantitative Aptitude Time and Work Work Efficiency
A and B, working together, can complete a work in d days. Working alone, A takes (8 + d) days and B takes (18 + d) days to complete the same work. A works for 4 days. The remaining work will be completed by B alone, in:
1
18 days
2
16 days
3
24 days
4
20 days